fully automated freight train

例句：

1. 1. The fully automated freight train is a marvel of modern technology.
   全自动货运列车是现代科技的奇迹。
2. 2.The fully automated freight train has greatly improved the efficiency of transportation.
   全自动货运列车大大提高了运输效率。
3. 3. The fully automated freight train can transport goods over long distances without human intervention.
   全自动货运列车可以在没有人为干预的情况下，将货物运输到遥远的距离。